They are employed by drilling and well service contracting companies and by petroleum producing companies.
他们受雇于钻井、油井服务承包公司和石油生产公司。
A type of mixer used in various oil - and gas-well service activities to prepare treatment fluids or slurries.
用于油气井维修的一类拌合机，用它配制处理液或浆。
Company tenets: Make assurance on product quality. Make rear on powerful technical support and well service before and after sales.
公司宗旨：以可靠的品质为保证，以强大的技术支持和良好的售前售后服务为后盾为广大客户提供优质服务。
Company tenets: Make assurance on product quality. Make rear on powerful technical support and well service before and after sales.
公司宗旨：以可靠的品质为保证，以强大的技术支持和良好的售前售后服务为后盾为广大客户提供优质服务。
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